diff mbox series

[3/3] virtio_bt: fixup potential cpu stall when free unused bufs

Message ID 20230609131817.712867-4-xianting.tian@linux.alibaba.com (mailing list archive)
State Not Applicable
Delegated to: Herbert Xu
Headers show
Series fixup potential cpu stall | expand

Commit Message

Xianting Tian June 9, 2023, 1:18 p.m. UTC 
Cpu stall issue may happen if device is configured with multi queues
and large queue depth, so fix it.

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
---
 drivers/bluetooth/virtio_bt.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c
index c570c45d1480..2ac70b560c46 100644
--- a/drivers/bluetooth/virtio_bt.c
+++ b/drivers/bluetooth/virtio_bt.c
@@ -79,6 +79,7 @@  static int virtbt_close_vdev(struct virtio_bluetooth *vbt)
 
 		while ((skb = virtqueue_detach_unused_buf(vq)))
 			kfree_skb(skb);
+		cond_resched();
 	}
 
 	return 0;